1 Carat Gemstones
Browse our selection of natural 1 carat gemstones, ideal for elegant jewelry designs and collectors seeking perfectly balanced gem sizes.
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Bi-color
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Black 1 ct Gemstones
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Blue 1 ct Gemstones
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Brown 1 ct Gemstones
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Golden 1 ct Gemstones
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Gray 1 ct Gemstones
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Green 1 ct Gemstones
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Multicolor 1 ct Gemstones
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Orange 1 ct Gemstones
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Pink 1 ct Gemstones
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Purple 1 ct Gemstones
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Red 1 ct Gemstones
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Turquoise 1 ct Gemstones
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Violet 1 ct Gemstones
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White 1 ct Gemstones
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Yellow 1 ct Gemstones
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Single |
Pairs |
Lots |
Faceted |
Cabochons |
1.02ct Yellow Citrine, Square, VS
6 x 6 mm (calibrated)
$ 7.11
1.09ct Pink Morganite, Pear Shape, VS
8.4 x 6.4 mm
$ 95.53
1.02ct Green Peridot, Oval, VS
8 x 6 mm (calibrated)
$ 9.15
1.03ct Blue Topaz, Oval, VVS
7 x 5 mm (calibrated)
$ 11.81
2.18ctw White Rainbow Moonstone, Oval, Transparent
7.2 x 6 mm
$ 71.67
1.05ct Yellow Color-Change Diaspore, Emerald Cut, VVS-VS
10.4 x 3.5 mm
$ 55.43
1.03ct Yellow Color-Change Diaspore, Pear Shape, VVS-VS
11.9 x 4.1 mm
$ 36.11
1.01ct Blue Kyanite, Round, SI
6 mm (calibrated)
$ 25.15
1.05ct Pink Morganite, Pear Shape, VVS-VS
8.9 x 5.7 mm
$ 80.53
4.06ctw White Zircon, Oval, VVS-VS
7 x 5 mm (calibrated)
$ 24.11
1.05ct Yellow Citrine, Square, VVS-VS
6 x 6 mm (calibrated)
$ 7.32
1.09ct Green Tourmaline, Emerald Cut, VVS
12.5 x 3.8 mm
$ 23.84
1.00ct Yellow Color-Change Diaspore, Marquise, VVS-VS
10.8 x 5.3 mm
$ 53.78
1.04ct Yellow Citrine, Emerald Cut, VVS-VS
12 x 4.2 mm
$ 8.28
2.09ctw White Zircon, Round, VVS-VS
5.7 mm
$ 33.00
1.01ct Yellow Citrine, Trillion, VS
7 x 7 mm (calibrated)
$ 7.75
1.09ct Multicolor Opal, Oval, Transparent
10 x 7 mm (calibrated)
$ 27.50
1.07ct Yellow Color-Change Diaspore, Cushion, VVS
10.1 x 4 mm
$ 37.51
1.08ct Multicolor Mystic Quartz, Pear Shape, VVS
8 x 6 mm (calibrated)
$ 7.53
2.16ctw Brown Color-Change Garnet, Oval, VS
6.6 x 5.4 mm
$ 172.56
1.01ct Red Rhodolite Garnet, Oval, VS
7 x 5 mm (calibrated)
$ 37.72
1.08ct Yellow Sapphire, Round, VVS-VS
5.5 mm (calibrated)
$ 212.99
5.22ctw Yellow Citrine, Heart, VS
7 x 7 mm (calibrated)
$ 34.31
1.06ct Red Ruby, Round, VS
5.5 mm (calibrated)
$ 95.02
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Why Buy 1 Ct Gemstones from GemSelect?
- Trusted Worldwide Since 2003
- Supplying natural gemstones to jewelers and collectors in 120+ countries
- Verified natural gemstones
- View All GemSelect Reviews on Bizrate
- Secure checkout and insured worldwide delivery
- 30-day returns and satisfaction guarantee
Natural 1 Carat Gemstones
Our natural 1 carat gemstones are carefully selected for quality, color and brilliance. A one-carat gem offers the perfect balance between size and wearability, making it a popular choice for rings, pendants and earrings.
Loose 1 Carat Gemstones Online
Shop loose 1 carat gemstones online at GemSelect with confidence. Our inventory includes a wide range of natural gems such as sapphire, ruby, garnet, tourmaline and many others, all photographed individually for accurate selection.
Why Choose 1 Carat Gemstones?
One-carat gemstones are a classic choice for jewelry. They provide noticeable size without being overly large, making them perfect for engagement rings, pendants or everyday jewelry pieces.
1 ct Gemstones for Rings and Jewelry
Many jewelers prefer 1 ct gemstones because they fit well into common jewelry settings. From brilliant round cuts to elegant oval and cushion shapes, these gems offer versatility for custom jewelry design.
Wide Variety of 1 Carat Gem Types
At GemSelect you can find 1 carat stones in many gem varieties including sapphire, ruby, spinel, aquamarine, tourmaline, topaz and garnet. Each gemstone has unique colors and characteristics to suit different styles and budgets.
Faceted and Cabochon 1 Carat Gems
Our collection includes both faceted stones for maximum sparkle and smooth cabochon gemstones for a softer, classic appearance. This variety allows designers to choose the best style for their jewelry projects.
Calibrated 1 Carat Gemstones
Many of our 1 carat gemstones are available in calibrated sizes, making them easier to mount into standard jewelry settings. This helps jewelers and designers create precise and professional-looking pieces.
Certified and Natural Gemstones
All gemstones at GemSelect are natural stones, and any treatments are fully disclosed. We focus on transparency and accurate gem information so buyers can shop with confidence.
Learn more about gemstone properties and buying tips on our Gemstone Information Pages.
FAQs
What does 1 carat mean in gemstones?
A carat is a unit of weight used for gemstones. One carat equals 0.2 grams. The physical size of a 1 carat gemstone can vary depending on the gem type and its density.
Are 1 carat gemstones good for rings?
Yes, 1 carat gemstones are a popular size for rings because they provide noticeable presence while remaining comfortable for everyday wear.
Which gemstones are available in 1 carat size?
Many gemstones are available in 1 carat size, including sapphire, ruby, spinel, garnet, tourmaline, aquamarine, topaz and many others.
Does a 1 carat gemstone always have the same size?
No. Carat measures weight, not size. Different gemstones have different densities, so a 1 carat sapphire may appear slightly smaller or larger than a 1 carat aquamarine.
Are your 1 carat gemstones natural?
Yes, GemSelect specializes in natural gemstones. Any treatments are clearly disclosed so customers know exactly what they are purchasing.
GemSelect Certified Store Reviews
GemSelect: Over 22 Years in the Gemstone Business! Thank you for trusting us with your purchase!
Overall Rating -> 9 
Easy to use. Many options to find the right gemstone
Overall Rating -> 10 
On the clarity options it goes "and better" so if youre looking for si specifically and you click si and better it still shows you basically everything. It just removes the opaques. Itd be nice if it was vs only, vss only, si only, etc
Overall Rating -> 8 
I visited several online loose stone shops trying to find rare stones. I finally found one that I've been looking for here, and very satisfied. Looking forward to receive the item in 3 weeks.
Overall Rating -> 10
The citrine gems are beautiful. I appreciated that each stone was individually shown on the website so I could see exactly what I was getting. No mystery person selecting random stones for me. The documentation included with each gem was high quality as well. Great price and arrived as expected.
Overall Rating -> 8
It was fine
Overall Rating -> 10
Found a beautiful opal at a great price. I was not disappointed when it arrived. Even better in person.
